From: "Zhang, Helin" <helin.zhang@intel.com>
To: "Harris, James R" <james.r.harris@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] i40e: fix i40e_reset_tx_queue cmd_type_offset_bsz init
Date: Thu, 9 Oct 2014 03:29:39 +0000 [thread overview]
Message-ID: <F35DEAC7BCE34641BA9FAC6BCA4A12E70A799EF1@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <20141001220021.19571.38617.stgit@jrharri1-fbsd.ch.intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
Thanks to James for the good catch!
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Jim Harris
> Sent: Thursday, October 2, 2014 6:00 AM
> To: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH] i40e: fix i40e_reset_tx_queue
> cmd_type_offset_bsz init
>
> Fix the descriptor initialization loop, so that it initializes the
> i40e_tx_desc::cmd_type_offset_bsz for the correct index into the tx_ring array.
>
> Previously it would use the index once to initialize the txd local variable, then
> again when setting cmd_type_offset_bsz.
>
> Signed-off-by: Jim Harris <james.r.harris@intel.com>
> ---
> lib/librte_pmd_i40e/i40e_rxtx.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/librte_pmd_i40e/i40e_rxtx.c b/lib/librte_pmd_i40e/i40e_rxtx.c
> index 7c5b6a8..2b53677 100644
> --- a/lib/librte_pmd_i40e/i40e_rxtx.c
> +++ b/lib/librte_pmd_i40e/i40e_rxtx.c
> @@ -2072,7 +2072,7 @@ i40e_reset_tx_queue(struct i40e_tx_queue *txq)
> for (i = 0; i < txq->nb_tx_desc; i++) {
> volatile struct i40e_tx_desc *txd = &txq->tx_ring[i];
>
> - txd[i].cmd_type_offset_bsz =
> + txd->cmd_type_offset_bsz =
> rte_cpu_to_le_64(I40E_TX_DESC_DTYPE_DESC_DONE);
> txe[i].mbuf = NULL;
> txe[i].last_id = i;
next prev parent reply other threads:[~2014-10-09 3:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-01 22:00 Jim Harris
2014-10-09 3:29 ` Zhang, Helin [this message]
2014-10-09 19:07 ` Thomas Monjalon
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